Pony International has appointed Nathan Crary as vice president of research and development and David Corsi as vice president of sales. Crary was formerly president of Velocy Performance Footwear, and has also been vice president of R&D at Dada Footwear and worked at Nike’s advanced products division and at Avia. Corsi has been account manager for New Balance and vice president of global sales at Dada Footwear. Pony, which is based in California, has been acquired by Infinity Associates in California and Symphony Holdings in Hong Kong.